Figure 3|Modulation frequency response for selective multispectral photodetections. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Figure 3|Modulation frequency response for selective multispectral photodetections.

Caption

a, Schematic drawing illustrating the mechanism for the selective multispectral dependence of the emission on the excitation frequency. b, Relative UCL intensity upon changing the excitation light frequency and simultaneously varying the excitation power density.

Credit

by Yanan Ji, Wen Xu, Nan Ding, Haitao Yang, Hongwei Song, Qingyun Liu, Hans Ågren, Jerker Widengren, Haichun Liu

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